instance method
extract_options!
Ruby on Rails 2.2.3
Since v2.2.3 Last seen in v2.3.18Available in: v2.2.3 v2.3.18
Signature
extract_options!()
Extracts options from a set of arguments. Removes and returns the last element in the array if it’s a hash, otherwise returns a blank hash.
def options(*args) args.extract_options! end options(1, 2) # => {} options(1, 2, :a => :b) # => {:a=>:b}
Source
# File activesupport/lib/active_support/core_ext/array/extract_options.rb, line 14
def extract_options!
last.is_a?(::Hash) ? pop : {}
end
Defined in activesupport/lib/active_support/core_ext/array/extract_options.rb line 14
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Defined in ActiveSupport::CoreExtensions::Array::ExtractOptions